--- /dev/null
+/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
+#include <msvcrt/assert.h>
+#include <msvcrt/stdio.h>
+#include <msvcrt/stdlib.h>
+#include <msvcrt/signal.h>
+
+
+void _assert(const char* msg, const char* file, int line)
+{
+ /* Assertion failed at foo.c line 45: x<y */
+ fprintf(stderr, "Assertion failed at %s line %d: %s\n", file, line, msg);
+ raise(SIGABRT);
+}